Home / 309,382,848.08-426,951,189.96-168,255,410.48

Finding the Fourth Proportional to 309,382,848.08, 426,951,189.96 and 168,255,410.48

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Solution

The fourth proportional to 309,382,848.08, 426,951,189.96 and 168,255,410.48 is: 232,194,021.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,382,848.08 : 426,951,189.96 = 168,255,410.48 : x
  2. Step 2: Convert to fraction form
    309,382,848.08/426,951,189.96 = 168,255,410.48/x
  3. Step 3: Cross multiply
    309,382,848.08x = 426,951,189.96 × 168,255,410.48
  4. Step 4: Simplify right side
    309,382,848.08x = 71,836,847,721,644,248
  5. Step 5: Solve for x
    x = 71,836,847,721,644,248/309,382,848.08
  6. Step 6: Final answer
    x = 232,194,021.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.